Event: NSDCA Division 3

Opponent Rating Result
David A Fuller 1477 1 - 0
Jay Baddeley 1502 0 - 1
Douglas J Barnett 1545 0 - 1
Kobus Nienaber 1426 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1288 = (5950 + 400 * (1 - 3)) / 4)

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